chance; start; cue; excuse; motive; impetus
collapse; crumbling; breaking down; (radioactive) decay; disintegration
to invite; to ask; to beckon; to wave someone in; to call in; to send for
development; growth; development (of a situation, story, etc.); advancement; playing around; having an active sex life
to be sufficient; to be enough; to be worth doing; to be worthy of; to do (the job); to serve
courage; bravery; valour; valor; nerve; boldness
endurance; perseverance; patience
prudence; discretion; thought
and various other things; and many others; and all the rest; and so on and so forth
where; which; anyway; anyhow; sooner or later; eventually
complete stranger; total stranger
subject; theme; homework; assignment; task; challenge
a lot; lots; enough; sufficient; enough; too many
recruitment; invitation; raising (funds, donations, etc.); collection; flotation (of shares, loans, etc.)
board; plank; sheet (of metal); plate (of glass); cutting board; chopping board
popular name; common name; nickname; alias
wherein; therein; thereinto
temporary; provisional; interim; special; extraordinary; extra
something like ...; something called ...
throughout; over a period of ...; over a span of ...
extempore; impromptu; improvised; ad-lib; off-the-cuff; instant
aim; goal; prospect; outlook
variety; kind; type; counter for kinds, species, etc.
rough; rowdy; wild; rough person; rowdy person
cooperation; collaboration
custom; practice; said; aforementioned; instance; example
to point; to nominate; to select someone; to identify; to indicate; to play (a game of shogi)
mostly; nearly; practically; well-nigh; almost invariably; all but
... being the case; (precisely) because ...; as might be expected from ...
relationship of mutual trust; fiduciary relation
nonexistent; nil; none; nothing (at all); bugger-all
relation; relationship; participation; involvement; influence; effect
opposite side; reverse; (on the) other hand
quarrel; fight; trouble; dispute; friction; discord